The Bosch 0280218490 is an Original Equipment (OE) quality Mass Air Flow (MAF) sensor designed to deliver precise air intake measurement for optimal engine performance. As a direct replacement part, this sensor monitors the volume and density of air entering the engine, providing critical data to the engine control unit (ECU) for proper fuel mixture calculations. Key Features: OE-quality construction meets or exceeds original equipment specifications Hot-film sensing element provides accurate airflow measurement Designed for direct fit installation with no modifications required Ensures proper air-fuel ratio for optimal combustion efficiency Helps maintain fuel economy and reduce emissions Manufactured by Bosch, a trusted OE supplier to major automakers A failing MAF sensor can cause rough idle, hesitation, poor fuel economy, and illuminated check engine lights. This Bosch replacement sensor restores proper engine management system function, helping your vehicle run smoothly and efficiently. The sensor includes the necessary connector and mounting hardware for straightforward replacement.